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Tập nghiệm S của bất phương trình : /4x-3/< 9
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Tập nghiệm S của bất phương trình : /4x-3/< 9

User Okneloper
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4x -3 < 9

⇔4x < 9 + 3

⇔4x < 12

⇔x < 12/4

⇔x < 3

User MeiH
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